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AlzRisk Paper Detail
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Reference: Akomolafe, 2006
Cohort: Framingham Heart Study
Risk Factor: Diabetes Mellitus


Exposure Detail
Use of insulin or oral hypoglycemic medication, or non-fasting plasma glucose > 200mg/dL.

Ethnicity Detail
No race or ethnicity information provided in report.
According to a description of the cohort, nearly all the members of the original cohort were Caucasian.

Age Detail
Age at start of follow-up is actually the age at the 16th biennial examination (1979-1982).

Screening and Diagnosis Detail
Screening Method:
MMSEMini-Mental State Examination (Folstein 1975)

AD Diagnosis:
NINCDS ADRDA National Institute of Neurological and Communicative Diseases and Stroke/Alzheimer's Disease and Related Disorders Association Criteria (McKhann 1984)

Total dementia definition: Dementia via DSM IV and CDR>1.

"Participants identified as demented met Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition criteria29 and had definite dementia (Clinical Dementia Rating scale score >1)30 for a period of 6 months or longer. Participants diagnosed with AD met National Institute of Neurological and Communicative Diseases and Stroke/ Alzheimer’s Disease and Related Disorders Association criteria for definite or probable AD,31 while those with VaD met Alzheimer Disease Diagnostic and Treatment Center criteria for probable VaD.32 Persons with more than 1 possible cause for their dementia were included only in the all-dementia analysis."

Covariates & Analysis Detail
Analysis Type:
Cox proportional hazards regression

Total number of TD cases was 319, but TD case counts by diabetes status were not given.

AD Covariates:
Aage
Eeducation
Ggender
ALCalcohol intake
BMIbody mass index
CVDcardiovascular disease
HCYplasma homocysteine
SMsmoking status
SHstroke history
SBPsystolic blood pressure

TD Covariates:
Aage
Eeducation
Ggender
ALCalcohol intake
BMIbody mass index
CVDcardiovascular disease
HCYplasma homocysteine
SMsmoking status
SHstroke history
SBPsystolic blood pressure

These analyses include only 1594 people (176 AD and 233 TD cases), less than the 2210 in the age- and sex-adjusted analyses.